I’m over 60 and about the only vaccine I received was polio. Yes, we did get measles, mumps, etc. but my mother who was born in 1910 said you never want your child to have diphtheria, it is a miserable way to die. Nor would you want your child to have polio or tetanus.
Yes, some of these vaccines are for what are really not usually serious or life threatening diseases but some are.
Absolutely, I received diphtheria, tetnus and pertussis as well as smallpox...that small circle on older people’s upper arm